fix: Treat boolean values as literal in enum

Author: astahmer

.changeset/eighty-eels-spend.md

@@ -0,0 +1,5 @@
+---
+"typed-openapi": patch
+---
+
+Treat boolean values as literal in enum

packages/typed-openapi/src/openapi-schema-to-ts.ts

@@ -65,7 +65,7 @@ export const openApiSchemaToTs = ({ schema, meta: _inheritedMeta, ctx }: Openapi
       if (schema.enum) {
         if (schema.enum.length === 1) {
           const value = schema.enum[0];
-          return t.literal(value === null ? "null" : `"${value}"`);
+          return t.literal(value === null ? "null" : value === true ? "true" : value === false ? "false" : `"${value}"`);
         }
 
         if (schemaType === "string") {

packages/typed-openapi/tests/generator-basic-schemas.test.ts

@@ -27,6 +27,7 @@ test("getSchemaBox", async () => {
   expect(await getSchemaBox({ type: "null" })).toMatchInlineSnapshot(`"export type _Test = null;"`);
   expect(await getSchemaBox({ type: "boolean" })).toMatchInlineSnapshot(`"export type _Test = boolean;"`);
   expect(await getSchemaBox({ type: "boolean", nullable: true })).toMatchInlineSnapshot(`"export type _Test = boolean | null;"`);
+  expect(await getSchemaBox({ type: "boolean", enum: [true] })).toMatchInlineSnapshot(`"export type _Test = true;"`);
   expect(await getSchemaBox({ type: "string" })).toMatchInlineSnapshot(`"export type _Test = string;"`);
   expect(await getSchemaBox({ type: "number" })).toMatchInlineSnapshot(`"export type _Test = number;"`);
   expect(await getSchemaBox({ type: "integer" })).toMatchInlineSnapshot(`"export type _Test = number;"`);